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Engineer Nuclear Fusion Jobs (NOW HIRING)

Hitachi, Ltd.

Computational Nuclear Engineer

Kearny, NJ · On-site

$120K - $180K/yr

Conduct simulations of fusion blanket performance, including tritium breeding ratios (TBR), energy ... PhD in Nuclear Engineering, Computational Physics, Applied Physics, or a related field with2+ years ...

Socket.dev

Computational Nuclear Engineer

Kearny, NJ · On-site

$120K - $180K/yr

Conduct simulations of fusion blanket performance, including tritium breeding ratios (TBR), energy ... PhD in Nuclear Engineering, Computational Physics, Applied Physics, or a related field with 2+ ...

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Manager, Nuclear Engineering

Everett, WA · On-site

$108K - $130K/yr

About Helion We are a fusion power company based in Everett, WA, with the mission to build the ... What You Will Be Doing You will lead the Nuclear Engineering team that comprises neutronics ...

Helion

Manager, Nuclear Engineering

Everett, WA · On-site

$108K - $130K/yr

About Helion We are a fusion power company based in Everett, WA, with the mission to build the ... What You Will Be Doing You will lead the Nuclear Engineering team that comprises neutronics ...

Thea Energy

Computational Nuclear Engineer

Kearny, NJ · On-site

$120K - $180K/yr

Conduct simulations of fusion blanket performance, including tritium breeding ratios (TBR), energy ... PhD in Nuclear Engineering, Computational Physics, Applied Physics, or a related field with 2+ ...

Thea Energy

Computational Nuclear Engineer

Kearny, NJ

$120K - $180K/yr

Conduct simulations of fusion blanket performance, including tritium breeding ratios (TBR), energy ... PhD in Nuclear Engineering, Computational Physics, Applied Physics, or a related field with 2+ ...

Xcimer Energy

Director of Nuclear Science

Denver, CO · On-site

$220K - $260K/yr

This role partners closely with program and engineering leadership, and other science department directors, while serving as the company's primary authority for fusion nuclear science.

Thea Energy

Computational Nuclear Engineer

Kearny, NJ · On-site

$120K - $180K/yr

Conduct simulations of fusion blanket performance, including tritium breeding ratios (TBR), energy ... PhD in Nuclear Engineering, Computational Physics, Applied Physics, or a related field with2+ years ...

Thea Energy Inc.

Computational Nuclear Engineer

Kearny, NJ · On-site

$120K - $180K/yr

Conduct simulations of fusion blanket performance, including tritium breeding ratios (TBR), energy ... PhD in Nuclear Engineering, Computational Physics, Applied Physics, or a related field with2+ years ...

Zap Energy

Nuclear Fuels Lead Engineer

Everett, WA · On-site

$150K - $210K/yr

About Zap Energy Zap is advancing the next generation of nuclear power technology across fusion ... Review and approve engineering deliverables, including supplier submittals. Be the primary point of ...

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Engineer Nuclear Fusion information

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How much do engineer nuclear fusion jobs pay per year?

As of Sep 13, 2026, the average yearly pay for engineer nuclear fusion in the United States is $105,594.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,500.00 and $118,000.00 per year, depending on experience, location, and employer.

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For Engineer Nuclear Fusion jobs, the most frequently searched job titles are:

Infographic showing various Engineer Nuclear Fusion job openings in the United States as of July 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $105,594 per year, or $50.8 per hour.

Infrastructure Mechanical Engineer

San Leandro, CA • On-site

Pacific Fusion
See more jobs at Pacific Fusionexternal

Full-time

Re-posted 16 days ago

Job description

Why This Role Matters

As the Infrastructure Mechanical Engineer, you will be responsible for overseeing the
integration of mechanical building system requirements for our nuclear fusion
demonstration system. You will work across several teams to develop the
building systems which enables us to achieve net facility gain. During
construction you will work with design consulting engineering and contractors to
ensure a quality installation which can be safely maintained. Following
construction, you will be responsible for the operation, maintenance, and future
upgrades of the building systems.  This position is based in San Leandro, California and will require up to 25% travel to
our Los Lunas, New Mexico facility for the first 2 years during the design and permitting process. The role will transition to Los Lunas, New Mexico in 2028, after which the expectation is relocation to New Mexico or near 100% presence in New Mexico.

What You'll Do
  • Develop facility mechanical equipment requirements and guidelines for
    building systems including HVAC, fire protection, plumbing, and other
    infrastructure systems.
  • Assist in the design and development of utility systems including
    pneumatic, fluid, and vacuum systems.
  • Interface with engineers, scientists, and technicians to obtain facility
    mechanical inputs.
  • Work with the Infrastructure Design Team to ensure building mechanical
    systems are documented and designed appropriately for permitting
    design, construction, commissioning, and operations.
  • Develop building systems commissioning, maintenance, and operations
    plans.
What You Bring
  • Minimum BS, Mechanical Engineering
  • Minimum 7+ years of experience working in design, construction, facility
    operations, and commissioning for industrial, manufacturing, or
    research facilities
  • Experience with HVAC, process piping, fire sprinkler, and plumbing
    systems
  • Hands on experience with industrial, manufacturing, or research facility
    commissioning and operations
  • Strong multidisciplinary program management skills and ability to work
    diligently across cross functional teams
  • Proactive, doer, and self starter mindset
  • Cooperative and positive attitude which influences your peers to be the
    best versions of themselves
  • Track record of reliability and ability to drive results
Bonus Points For
  • PE license
  • Experience working in a startup
  • Experience working in industries such as: fusion, energy, aerospace,
    chemical

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